MAX4178EUK+T Maxim Integrated, MAX4178EUK+T Datasheet

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MAX4178EUK+T

Manufacturer Part Number
MAX4178EUK+T
Description
Precision Amplifiers
Manufacturer
Maxim Integrated
Datasheet
1.MAX4278EUK-T.pdf (12 pages)

Specifications of MAX4178EUK+T

Rohs
yes
The MAX4178/MAX4278 are ±5V, wide-bandwidth, fast-
settling, closed-loop buffers featuring high slew rate, high
precision, high output current, low noise, and low differen-
tial gain and phase errors. The MAX4178, with a -3dB
bandwidth of 330MHz, is preset for unity voltage gain
(0dB). The MAX4278 is preset for a voltage gain of +2
(6dB) and has a 310MHz -3dB bandwidth.
The MAX4178/MAX4278 feature the high slew rate and
low power that are characteristic of current-mode feed-
back amplifiers. However, unlike conventional current-
mode feedback amplifiers, these devices have a
unique input stage that combines the benefits of cur-
rent-feedback topology with those of the traditional volt-
age-feedback topology. This combination results in low
input offset voltage and bias current, low noise, and
high gain precision and power-supply rejection.
The MAX4178/MAX4278 are ideally suited for driving
50
speed cable-driving applications, such as video routing.
The MAX4178/MAX4278 are available in DIP, SO,
space-saving µMAX, and SOT23 packages.
________________________Applications
19-0468; Rev 2; 11/99
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
V
IN
75
or 75
Broadcast and High-Definition TV Systems
Video Switching and Routing
High-Speed Cable Drivers
Communications
Medical Imaging
Precision High-Speed DAC/ADC Buffers
loads. They are the perfect choice for high-
MAX4278
Typical Operating Circuit
________________________________________________________________ Maxim Integrated Products
VIDEO/RF CABLE DRIVER
General Description
75
330MHz, Gain of +1/Gain of +2
75
V
OUT
o High Speed
o Low Differential Phase/Gain Error: 0.01°/0.04%
o 8mA Supply Current
o 1µA Input Bias Current
o 0.5mV Input Offset Voltage
o 5nV/ H H z z Input-Referred Voltage Noise
o 2pA/ H H z z Input-Referred Current Noise
o 1.0% Max Gain Error with 100 Load
o Short-Circuit Protected
o 8000V ESD Protection
o Available in Space-Saving SOT23 Package
Ordering Information continued at end of data sheet.
____________________________Features
MAX4178EPA
MAX4178ESA
MAX4178EUA
MAX4178EUK-T -40°C to +85°C
MAX4178MJA
OUT
V
TOP VIEW
EE
IN
PART
1
2
3
330MHz -3dB Bandwidth (MAX4178)
310MHz -3dB Bandwidth (MAX4278)
250MHz Full-Power Bandwidth (V
150MHz 0.1dB Flatness Bandwidth
1300V/µs Slew Rate (MAX4178)
1600V/µs Slew Rate (MAX4278)
Closed-Loop Buffers
SOT23-5
MAX4178
MAX4278
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C 8 CERDIP
TEMP. RANGE
5
4
Ordering Information
V
GND
CC
Pin Configurations
GND
N.C.
V
IN
EE
1
2
3
4
PIN-
PACKAGE
8 Plastic DIP
8 SO
8 µMAX
5 SOT23-5
DIP/SO/ MAX
MAX4178
MAX4278
OUT
TOP MARK
= 2Vp-p)
ABYX
SOT
8
7
6
5
—
—
—
—
N.C.
V
OUT
N.C.
CC
1

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MAX4178EUK+T Summary of contents

Page 1

... Typical Operating Circuit MAX4278 75 VIDEO/RF CABLE DRIVER ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 330MHz, Gain of +1/Gain of +2 Closed-Loop Buffers ____________________________Features o High Speed 330MHz -3dB Bandwidth (MAX4178) ...

Page 2

Gain of +1/Gain of +2 Closed-Loop Buffers ABSOLUTE MAXIMUM RATINGS Supply Voltage ( ..................................................12V CC EE Input Voltage....................................(V CC Output Short-Circuit Duration (to GND) .....................Continuous Continuous Power Dissipation (T = +70°C) A SOT23 (derate 7.10mW/°C above ...

Page 3

AC ELECTRICAL CHARACTERISTICS (V = +5V -5V 100 , PARAMETER SYMBOL Small-Signal, -3dB Bandwidth Small-Signal, ±0.1dB Bandwidth BW Full-Power Bandwidth Slew Rate Settling Time Rise/Fall Times Input Capacitance Input Voltage Noise ...

Page 4

Gain of +1/Gain of +2 Closed-Loop Buffers __________________________________________Typical Operating Characteristics (V = +5V -5V 100 , C = 0pF MAX4178 SMALL-SIGNAL GAIN vs. FREQUENCY ...

Page 5

V = -5V 100 , MAX4278 LARGE-SIGNAL PULSE RESPONSE (C = 0pF (1V/div) OUT (2V/div) TIME (10ns/div) MAX4178 SMALL-SIGNAL PULSE RESPONSE (C = 100pF OUT TIME ...

Page 6

Gain of +1/Gain of +2 Closed-Loop Buffers (V = +5V -5V 100 , C = 0pF MAX4178 DIFFERENTIAL PHASE/GAIN 0.02 0.00 -0.02 -0. 150 L -0.06 0 IRE ...

Page 7

V = -5V 100 , OUTPUT VOLTAGE SWING vs. TEMPERATURE 4.0 3.5 3.0 2.5 -50 - TEMPERATURE (˚C) Pin Description PIN NAME SO/µMAX/DIP SOT23 ...

Page 8

Gain of +1/Gain of +2 Closed-Loop Buffers Applications Information Grounding, Bypassing, and PC Board Layout In order to obtain the MAX4178/MAX4278s’ full 330MHz/ 310MHz bandwidths, microstrip and stripline tech- niques are recommended in most cases. To ensure that the ...

Page 9

FREQUENCY WITH CAPACITIVE LOAD 100pF ISO -10 - 0pF L -20 -25 -30 1M 10M 100M FREQUENCY (Hz) Figure 2a. MAX4178 Small-Signal Gain vs. Frequency with ...

Page 10

Gain of +1/Gain of +2 Closed-Loop Buffers Flash ADC Preamp The MAX4178/MAX4278s’ high current-drive capability makes them well suited for buffering the low-imped- ance input of a high-speed flash ADC. With their low output impedance, these buffers can drive ...

Page 11

For the latest package outline information go to www.maxim-ic.com/packages TOP VIEW e FRONT VIEW _______________________________________________________________________________________ 330MHz, Gain of +1/Gain of +2 Closed-Loop Buffers E ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1999 Maxim Integrated Products ...

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